Induction-coil.



No. 669,968. Patented Mar. I2, A|901. 'L G. WOULLEY.

INDUCTION COIL. (Application med July 1s, 19'00.) (No Modem 2 Sheets-Sheet l.

Irv

No. 669,966. Patented Mar. l2, 490|.

, L. 6. wooLLEY.

INDUCTIUN COIL.

(Application led Jul 18, 19

oooooooo UNITED STATES PATENT OFFICE.

LEONIDAS G. VOOLLEY, Oh1 KENTON, OI'IIO.

INDUCTION-COIL.

SPECIFGATON forming part of Letters Patent No. 669,968, dated March 12, 1901.

Application led July 18, 1900. Serial No. 24,099. (No model.)

To tf/ZZ whom it may concern:

Beitknown that I, LEoNIDAs G. WooLLEY, a citizen of the United States, residing at Kenton, in the county of Hardin and State of Ohio, have invented certain new and useful ImprovementsinElectrotherapeutic Apparatus; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, which form a part 0f this specification.

My invention relates to an improvement in electrotherapeutic apparatus; and its object is to provide an electric machine which is to be especially used for medical purposes and in which the parts are so arranged that when the electrodes are removed from the end of the lever the machine is automatically set into operation and when the electrodes are returned to position the battery is cut out, so that there is no waste of battery.

My invention consists in a suitable cell of battery or other source of electrical power and an iron core, around which the primary and secondary Wires are Wound in the usual manner, a pivoted spring-actuated lever, and the electrodes which are hung upon the outer end of the lever and which are sufficiently heavy to overcome the resistance of the spring which throws the lever automatically into operation, combined with a spring-arm connected to the lever, a rheotome or vibrator which is placed between the inner end of the core and the spring-arm, and a contact, against which the vibrator or the rhectome strikes in its backward movement.

It still further consists in the arrangement and combination of parts which will be more fully described hereinafter.

Heretofore electrotherapeutic machines have been used; but they must always be manually set in operation a'ter the electrodes are'taken hold of, and unless especial care be taken to cut out the battery When the person is through using the machine, the waste of battery-power goes on until the battery becomes polarized and useless. By my construction the battery can never be left in operation except when the electrodes are removed from the lever.

In the accompanying drawings, which represent my invention, Figure l is a front elevation ot' a machine which embodies my in vention, the front of the case being removed so to show the operating` parts. Fig. 2 is a detail view of the lever and the parts connected thereto. Fig. 3 is a top plan view of the machine complete, the top being removed so as to show the operating parts.

A represents a suitable inclosing case of any suitable shape, size, or construction and to which the metallic ears B are secured, so that the machine can be attached to the wall or any other suitable support provided for it. This frame is divided by the Vertical partition C, so as to form separate compartments for one or more cells of battery D and a separate compartment in which the operating parts are placed. Extending horizontally through the outer com partment, near its center, is a metallic core F, around which the primary and secondary wires are wound in the usual manner, and the end'of the primary wire is then fastened to the casting G. Over this primary wire is placed the secondary wire in the usual manner, and the outer end of this secondary wire is connect-ed to the bindingposts,as usual. The casting G, which is preferably of the shape shown, forms a support for the inner end of the core and extends downward sutliciently far to have the rheotome or vibrator H secured thereto. Through this outwardly-extending part of the c sting to which the rheotome is secured extends a regulating-screw I for the purpose of controlling the amount of vibration. This rheotome is placed between the blocks of iron J, which is secured to the lower end of the spring K, suspended from the operating-lever L. The lever L is pivoted at M to the casting N, secured to the vertical partition, so as to have a pivoted movement, which is regulated by the length of the slot through the side of the box, and to the arm O, projecting upwardly from the lever, is fastened the springP for the purpose of automatically bringing the lever into operation as soon as it is left free to move by the removal of the electrodes Q from its outer end. These electrodes are sufficiently IOO heavy to overcome the tension ofthe spring, so that the parts Will not be brought into operation until the electrodes are removed. W'hen the lever is depressed either manually or by the weight of the electrodes, the spring-arm forces the block of iron against the vibrator and presses it away from the contact-point R, which is connected with one of the poles of the battery. While the block is pressed against the vibrator it becomes magnetized and attracted to the vibrator by magnetic attraction, so that when the lever is raised and the block is forced backward by its spring` the spring-arm of the vibrator causes the vi.- brator to 'follow the block until the vibrator comes in contact with the contact-point R, when the current from the battery is passed through the primary Wire and the core becomes magnetized. After the vibratorstrikes the contact-point R the block continues to adhere by magnetic attraction to the upper end of the vibrator until the lever L has nearly reached the end of its movement, when the block and vibrator separate With a jerk or jar, which automatically sets the vibrator in motion without any care or attention upon I[he part of the operator. This vibrator continues to operate until the outer end of the lever is depressed either by hand or by returning one or both of the electrodes to position. The moment one or both of the electrodes are placed upon the outer end of the lever, as heretofore explained, the block is brought in contact with the vibrator, so as to stop its operation. The contact-point R is provided with an adjustable lever upon its outer end, so that the amount of vibration of the vibrator can be regulated.

The great advantage of my invention over other therapeutic machines consists in automatically starting the machine in operation the moment the electrodes are removed from the operating-lever, and when one or both of the electrodes are returned the machine is thrown out of operation Without any thought ceases or care on the part of the operator. The result is that a child can operate the machine as Well as an expert and there is no need of persons who are not experts tinkering with the operating parts in the attempt to put the machine into operation. 'lhis construction also enables all of the operating parts to be concealed from view in the inclosing` case, and thus protects them from all dust, dirt, and interference of every kind.

Having` thus described my invention, l claiml. In an electrotherapeutic machine, a source of electrical energy, a core that is magnetized thereby, and a vibrator, combined with electrodes, a lever upon which the electrodes are supported, and means cooperating,r directly with the vibrator for automatically settingv the vibrator in operation, substantially as shown.

2. In an electrotherapeutic machine, a source of electric energy, a core energized thereby, and a vibrator, combined with a pivoted spring-actuated lever which forms a support at its outer end for the electrodes, and yielding,y means connected to and opera-.fed directly by the lever for automatically setting the vibrator in motion, substantially as specified.

8. In an electrotherapeutic machine, a source ot' electric energy, a core energized thereby, anda vibrator combined with a pivoted spring-actuated lever which forms a support at its outer end for the electrodes, a spring-arm earnying` a magnetizabie metallic block at its lower end for makingl contact wil h the Vibrator, and a contact-point against which the vibrator strikes, substantially as shown.

In testimony whereof l affix my signature in presence of two witnesses.

L. G. TVOOLLEY.

lVitnesses:

RosANN SMITH, ZoRA M. WooLLEY. 

